The majority of problems with residential air conditioning systems are due to
A) mechanical problems B) customer problems
C) refrigeration problems D) electrical problems
D
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____________________ are electronic circuits that are used to increase the amplitude of an electronic signal.
Fill in the blank(s) with the appropriate word(s).
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One problem associated with free range chickens is _____ on the ground and in the air.
Fill in the blank(s) with the appropriate word(s).
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The most common welding process is _____
a. GMAW b. SMAW c. GTAW d. TMAW
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One drawback of using custom made, pre-measured duct sections is that ____.
A. if the measuring was not done correctly, the job may not go together B. the sharp edges provide possible safety issues C. altering a duct section at the job site is extremely cost-ineffective D. all of the above
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